Direct- and Large Eddy Simulations of Turbulent Flow in CS0 Diffuser on Resolved and Under-resolved Meshes

被引：0
|
作者：
Florian R. Menter
Dmitry K. Kolmogorov
Andrey V. Garbaruk
Andrey S. Stabnikov
机构：
[1] ANSYS Germany GmbH,
[2] St. Petersburg Polytechnic University,undefined
来源：
Flow, Turbulence and Combustion | 2023年 / 110卷
关键词：
Direct Numerical Simulation; Large Eddy Simulation; Wall Modelled LES; LES with wall functions; CS0 diffuser; Weakly separated flow;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A Direct Numerical and Large Eddy Simulation study is conducted to establish the NASA CS0 diffuser as a test case for scale-resolving simulation methods and to evaluate the ability of such simulations to accurately predict flows with adverse pressure gradients and shallow separation from a smooth surface. The results of fine grid studies are in a good agreement with experimental data and substantially supplement them. These data are used as a basis for testing of LES on reduced grids, using different combinations of wall treatments and turbulence model formulations.
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页码：515 / 546
页数：31
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